181 min | R | July 21, 2023 | Universal Pictures
J. Robert Oppenheimer builds the bomb that ends the war and then spends the rest of his life answering for it. Christopher Nolan stages the whole thing as a trial, not a triumph. The man who splits the atom learns that the people who run the country are the real chain reaction.
J. Robert Oppenheimer is a theoretical physicist who runs the Manhattan Project and builds the atomic bomb. Nolan splits the film into two timelines. One unfolds in color and shows the world through Oppenheimer’s eyes. The other unfolds in black and white and belongs to Lewis Strauss. The film is not really about building the bomb. It is about what the government does to the man once it no longer needs him.
Cillian Murphy plays Oppenheimer with hollow eyes and a voice that rarely rises above a murmur. He builds a man who masters the physics long before he grasps the politics. Robert Downey Jr. plays Lewis Strauss with wounded vanity and patient cruelty, turning a bureaucratic grudge into a slow execution. Emily Blunt plays Kitty Oppenheimer with open contempt for everyone who underestimates her, and her interrogation scene cuts harder than any explosion. Matt Damon plays General Leslie Groves as a blunt instrument who knows precisely which genius he needs. Florence Pugh plays Jean Tatlock with a frankness the film later weaponizes against the man who loved her.
Christopher Nolan directs and writes, and he stages the Trinity test as silence before sound. The flash arrives, and the shockwave and the roar follow seconds later, exactly as physics demands. Ludwig Goransson’s score runs almost without pause and turns Oppenheimer’s anxiety into a ticking pulse beneath every scene. Hoyte van Hoytema shoots the color sequences on large-format film that makes a single human face fill the frame like a landscape. He strips the black and white sections down to hard contrast and cold edges for Strauss’s world. Nolan’s script cross-cuts the two hearings until the personal and the political collapse into one event.
The film treats the bomb as the easy part. Oppenheimer solves the equation, assembles the team, and detonates the device. Then he watches the same country that demanded the weapon decide that his conscience makes him a liability. Nolan builds the entire biography around a single question. What does a nation owe the man it asks to build its most terrible thing. The answer the film gives is humiliation, and it delivers that verdict without flinching.